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Why is driving while tired so dangerous for people?

On Behalf of | Oct 2, 2023 | Car Accidents |

Drowsy driving can be as dangerous as any other form of impaired driving, yet many motorists brush this off as just part of life. Yet getting behind the wheel while sleep-deprived can lead to significant accidents.

Impaired reactions and awareness

One of the primary reasons driving while tired is so hazardous is the impairment it inflicts on drivers. As fatigue sets in, reaction times slow down considerably.

Drowsy drivers struggle to react quickly to unexpected situations, such as sudden stops or swerving vehicles. Additionally, their awareness of hazards on the road diminishes, increasing the likelihood of accidents.

Sustained attention declines

Another critical aspect of drowsy driving’s danger lies in its ability to erode a driver’s sustained attention. Staying focused on the road is essential for safe driving, but fatigue disrupts this concentration. Drowsy drivers may find it challenging to maintain their attention for extended periods, increasing the odds of missed signs, turns or other crucial details on the road.

Alcohol-like impairment

Driving while fatigued is often compared to driving under the influence of alcohol. The more exhausted a driver becomes, the more their performance resembles an impaired driver’s.

Forgoing sleep for over 20 hours is the same as driving with a blood-alcohol concentration of 0.08%, the legal limit in the United States. This means drowsy drivers are essentially going with the impairments of an intoxicated person.

Increased crash risk

The consequence of impaired reactions, diminished awareness, and alcohol-like impairment is a significantly elevated risk of accidents. Drowsy drivers are three times more likely to be in car crashes, putting their lives and the lives of others in jeopardy.

Micro-sleep and its consequences

Fatigue can lead to micro-sleep episodes, where a driver briefly and involuntarily nods off. During these short lapses in attention, a vehicle traveling at highway speeds can cover the length of a football field. Such micro-sleep incidents can have catastrophic outcomes if they occur while driving.

Drowsy driving is an often-ignored topic related to road safety. One of the best methods of preventing further accidents is educating individuals on why drowsy driving is a severe problem.